It searches Open Food Facts, a free database of over 3 million barcodes, strongest for branded and packaged foods. Fresh produce and very local items sometimes won't have a barcode entry — use the Food Database search instead for those.

Yes — scanning, lookups, and saved results are part of your free Nutrients Calculator account. Signing up takes a few seconds and lets you build a history of everything you scan.

Data comes from Open Food Facts, a crowd-sourced database, so it's generally reliable but can occasionally be outdated. Always check the product's own label if anything looks off.

You'll see a "Product not found" message — double-check the number was scanned correctly, or try entering it manually. You can also log that food directly from our Food Database.